. israeli primeministerbenjaminnetanyahusayshe believes that president obama is determined to keep iran from developing nuclear weapo weapons. he reiterated israel's determination to take military action necessary. the two leaders discussed reports about the use of chemical weapons in syria. crossing of president obama's red line. we have fox team coverage tonight. rosen looks at the iran issue but we begin with ed henry in jerusalem with worries over the deadly action in neighboring syria. hello, ed. >> reporter: good evening, bret. most significant with the president's strong tone throwing out the possibility of military action. he has issued the warpings before. >> talking tough in the first public comments that chemical weapons have been used in syria, president obama said the regime in damascus will be held accountable. >> when you start seeing weapons that can cause potential devastation and mass casualties, and you let that genie out of the bottle, then you are looking potentially at even more horrific scenes than we have already seen in syria. international community has to act

by getting israeli primeministerbenjaminnetanyahutopatch things up by phone with his turkish counterpart after a bitter spat that could have hendered u.s. efforts to get turkey's help on syria. the president visited the church of the nativity in bethlehem and continued outreach to the people. although a stop at the holocaust museum in jerusalem may have provided a chilling reminder for the president about the difficult decision to head on syria. >> we see how evil can for a moment i triumph when good people do nothing. silence. >> president assad vowed today he will purge syria of all extremist forces. a sign he is only digging in. shannon? >> ed henry live, traveling with the president. thank you. a big protest today in cairo against the muslim brotherhood in egypt. about 3,000 demonstrators rallied outside the group's headquarters. riot police tried and failed to keep them separate from several hundred brotherhood supporters. the group has too much influence on president mohammed morsi. we will tell you why some airline passengers may have enjoyed being stuck on the tarmac this week. t

with action. just as primeministerbenjaminnetanyahuappearedto do earlier on this trip. >> i'm absolutely convinced that the president determined to prevent iran from getting nuclear weapons. i appreciate that. >> it comes at a time when the stakes could not be any higher. with iran supreme leader today threatening to wipe two israeli cities off the map. if israel attacks first. >> they should know if they make this mistake, the islamic republic will raise tel aviv and haifa to the ground. >> israel was facing new threats from palestinian extremists, with four rockets raining down on the city. where mr. obama visited as a candidate in 2008. the roberts were fired from the hamas -- the rockets were fired from the hamas-controlled gaza strip, hours before mr. obama headed to the west bank to visit with palestinian president mahmoud abbas. yet on a trip that started with white house officials trying hard to lower expectations, mr. obama appeared to raise them. by suggesting that both sides could come back to the table. >> i absolutely believe it's still possible. but i think it's very diffic